If the simple interest on a certain sum of money for 3 years is three – tenth of the sum , then find the
rate of the interest per annum.
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Step-by-step explanation:
Let the Principal be 100
S. I. = 3/10 x 100
= 30
RATE = S. I x 100/P x T
= 30 x 100/100 x 3
= 10 percent
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